20958483

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76771}}^1$

素因数の和:76794

約数の個数: 16

約数和(自身を含む): 34393856

約数和(自身を除く): 13435373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 76771, 230313, 537397, 998023, 1612191, 2994069, 6986161, 20958483]

約数ペア:

[(1, 20958483), (3, 6986161), (7, 2994069), (13, 1612191), (21, 998023), (39, 537397), (91, 230313), (273, 76771)]